Manual Release Valve on Outboard Trim: When and How to Use It
Your trim system just quit. The motor won't raise. You're stuck with the engine pointed straight down, and you need to get back to the dock — or at least...
SeaSierra Team |
Outboard 101
Manual Release Valve on Outboard Trim: When and How to Use It
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Primer Bulb Not Getting Hard? Here's Why
A primer bulb that won't get firm means fuel isn't flowing properly. The engine won't start, or it'll start and die because fuel can't reach it. The good news: the...
SeaSierra Team |
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Outboard Fuel Pump Testing and Replacement
A failing fuel pump causes hard starting, stalling, and poor performance. Testing is straightforward with basic tools, and replacement is within reach of most DIYers. This guide covers both mechanical...
SeaSierra Team |
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How to Bleed Air from Outboard Fuel System
Air in the fuel system causes hard starting, stalling, and rough running. After changing a fuel filter, disconnecting fuel lines, or running the tank dry, you need to bleed the...
SeaSierra Team |
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Complete Lower Unit Service: What's Included and When You Need It
A complete lower unit service goes beyond a simple gear oil change. It includes inspection, seal replacement, and verification that all components are operating correctly. This preventive maintenance catches problems...
SeaSierra Team |
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Outboard Lower Unit Leak: Finding and Fixing the Source
A lower unit leak means one of two things: gear oil is getting out, or water is getting in. Either way, you need to find and fix the source before...
SeaSierra Team |
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How to Replace Outboard Lower Unit Seals
Lower unit seals keep water out and gear oil in. When they fail, water enters the gearcase, contaminates the oil, and destroys bearings and gears. A $30 seal kit prevents...
SeaSierra Team |
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Propeller Pitch and Diameter: How to Choose the Right Prop
The numbers stamped on your propeller—like 13 x 19 or 14.5 x 17—mean something specific. Understanding pitch and diameter helps you select a prop that lets your engine reach proper...
SeaSierra Team |
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Propeller Damage: When to Repair vs Replace
A dinged propeller creates vibration, reduces efficiency, and can damage your lower unit bearings over time. But not all prop damage requires replacement—many issues can be professionally repaired for less...
SeaSierra Team |
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How to Remove and Install an Outboard Propeller
Propeller removal is a routine skill every boat owner should have. You'll need it for inspection, repair, fishing line removal, or swapping props for different conditions. The job takes 10...
SeaSierra Team |
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Outboard Oil Injection System: How It Works and Common Problems
Two-stroke oil injection eliminates the hassle of pre-mixing fuel and oil. The system automatically meters the correct amount of oil based on engine load. But when it fails, the consequences...
SeaSierra Team |
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Best Oil for Your Outboard: 2-Stroke vs 4-Stroke Guide
Using the wrong oil in an outboard can cause serious damage. Two-stroke and four-stroke engines have completely different lubrication systems and oil requirements. This guide explains what each type needs...
SeaSierra Team |
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How to Change Outboard Engine Oil (4-Stroke)
Four-stroke outboards need regular oil changes just like your car—but the procedure is different. You can't drive it to a quick-lube shop, and draining oil from a vertically-mounted engine requires...
SeaSierra Team |
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Outboard Won't Start? Check These 5 Things First
You're at the ramp, key in the ignition, and nothing. Or maybe it cranks but won't fire. Before you call for a tow or a mechanic, check these five things....
SeaSierra Team |
